code: def has_fignum(num):
      return num in Gcf.figs
  
file_path: nupic-legacy/external/linux32/lib/python2.7/site-packages/matplotlib/_pylab_helpers.py
imports: import sys, gc
label_desc: Use image node_id 3 for calling the Gcf obj's underlying member method code with example usage: obj.has_fignum(num) and returns: unknown